A-Tech 8GB KIT 2 x 4GB Toshiba Satellite C655D-S5088 C655D-S5089 C655D-S5091 C655D-S5120 C655D-S5124 C655D-S5126 C655D-S5130 C655D-S5133 C655D-S5134 SO-DIMM DDR3 NON-ECC PC3-8500 1066MHz RAM Memory 8GB KIT (2 x 4GB) SO-DIMM DDR3 NON-ECC PC3-8500 1066MHz RAM Memory Genuine A-Tech Memory Lifetime Warranty Toll Free Technical Support 1-866-557-4527 Designed For Toshiba Toshiba Satellite. (See Compatibility List Below)